
2005 Chevrolet Monte Carlo LS 3.4L Poor Idle Quality, Surge
This car came in with an erratic idle. It varies beteewn 690 - 1500 rpm in park. I substituted a new map sensor but it did the same thing. As the idle climbs the iac counts also climb. I noticed the evap sol, at idle, is 18% and climbs to 25% at the same time ...
Summary posted 4/19/2008
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Message Closed w/Summary
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VIN | 2G1WW12E95 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge |
Occurs | Always, Idle |
Message Closed w/Summary
Vehicle Data
2005 Chevrolet Monte Carlo LS
VIN | 2G1WW12E95 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge |
Occurs | Always, Idle |